126871350757 has 16 divisors (see below), whose sum is σ = 129657045168. Its totient is φ = 124117401600.

The previous prime is 126871350737. The next prime is 126871350841. The reversal of 126871350757 is 757053178621.

It can be written as a sum of positive squares in 8 ways, for example, as 12031018596 + 114840332161 = 109686^2 + 338881^2 .

It is a cyclic number.

It is not a de Polignac number, because 126871350757 - 2⁷ = 126871350629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126871350737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5456757 + ... + 5479957.

It is an arithmetic number, because the mean of its divisors is an integer number (8103565323).

Almost surely, 2^126871350757 is an apocalyptic number.

It is an amenable number.

126871350757 is a deficient number, since it is larger than the sum of its proper divisors (2785694411).

126871350757 is a wasteful number, since it uses less digits than its factorization.

126871350757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23880.

The product of its (nonzero) digits is 2469600, while the sum is 52.

The spelling of 126871350757 in words is "one hundred twenty-six billion, eight hundred seventy-one million, three hundred fifty thousand, seven hundred fifty-seven".